19886576

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42859}}^1$

素因数の和:42896

約数の個数: 20

約数和(自身を含む): 39859800

約数和(自身を除く): 19973224

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42859, 85718, 171436, 342872, 685744, 1242911, 2485822, 4971644, 9943288, 19886576]

約数ペア:

[(1, 19886576), (2, 9943288), (4, 4971644), (8, 2485822), (16, 1242911), (29, 685744), (58, 342872), (116, 171436), (232, 85718), (464, 42859)]